DNS Server May Not Be Available - Contact Provider
Jun 6, 2012
I have a Time Warner modem/router. There are a ton of different devices constantly being connected/disconnected to our router - itouches, computers, smartphones etc.
The problem started with my otherwise super reliable HP g42 (i3) laptop. Nothing would solve the issue other than recovering it back a few days to when the issue wasn't happening. But then it would happen again after a few days. All other devices would connect without issue.
Time warner's technical troubleshooting consists of "unplug the router for 10 seconds and then plug it back in. Did that work?"
So now, my son gets his first computer and I bring it home last night. Also an HP (pavillion -i3). Same deal. At first, it connects fine and dandy. Then after about 2 hours it get the ol' "won't connect - diagnose the problem?" After diagnose, it says "DNS server may not be available.
Here's the thing: Both computers connect immediately and without issue to my smartphone wireless tether.
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Nov 2, 2011
I've been trying (in vain) to connect a USB Wireless device to be able to use it off my wireless network. I have (2) other laptops and (1) other desktop connecting to the router with no issues. For some reason, this old desktop keeps installing an Ethernet device (probably on the MB) and is automatically Configuring the IP address to that instead of the USB wireless device.I've tried uninstalling the Ethernet device but it comes right back after I do a reboot. Even when I disable it, I still can not connect with my Wireless device.
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Feb 10, 2012
need to know why I can not connect to the internet after I am done downloading windows Xp on my Desk top. I got an error message from the cmd, saying that computer is unable to contact DHCP server.
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Mar 13, 2013
I just moved to Auckland, NZ from the USA to go to school at the university here, and am having a problem connecting to the internet in the university residence hall in which I am living.Wifi is not available in the residence halls, so we need to use an Ethernet cable. When I plug in my computer, the network adapter icon says Identifying for a while then settles on Unidentified Network with no internet access, the IP is 169.x.x.x.When I try to release and renew the IP, it says unable to contact your DHCP server, request has timed out".I've tried multiple Ethernet cables, both brand new.I tried connecting to a port in a friend's room in the same building, and even in a classroom on campus, and both had the same result.Naturally after all that I assumed my NIC somehow died overnight while I traveled here, so I went to a computer repair shop expecting to have some hardware replaced, but we plugged it in there and it worked immediately so they weren't sure what to tell me.
I've gone through pages of old threads at this forum and others like it, trying solutions but having no luck.I've power cycled my computer, obviously I can't power cycle the whole network as it's for 200 people, but the IT people here have tried resetting it for me on their end as best they can. [code]
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Jun 18, 2012
I have a Dell 570 Inspiron desktop running win7 home premium w/ a 64 bit OS. I have Frontier dsl with a Westell 327W modem and a netgear router. Two desktops are connected to the internet...one through the modem and the Dell 570 through the router. I also run laptops through the router w/no problem. This morning the dsl went down, and when it came back up, the Dell 570 would not connect. i tried Diagnosing Connection Problems, and I'm told to turn off the modem/router (which I have done a gazillion times).When I look at Network Connections in the Control Panel, It tells me I have an unidentified network and can't connect. I read through some forums earlier, and found that releasing and renewing ipconfig often corrects the problem, and that's when I got the message that 'An error occurred while nenewing. Local Area Connection unable to contact DHCP server.' This set up has worked for the past year and a half. I looked at the network adapter, and it says it's working properly. I changed the cables going to the machines, and they both work on this computer. The only change made to the computer was to install McAfee security center through AOL yesterday, but the set up worked all yesterday and last night.
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Aug 30, 2012
Until a couple of days ago I was able to connect to the internet wirelessly on both my laptop as well as my desktop. However, that has changed for the desktop, now I am unable to access the internet on it. It says that it can detect the signal. When I tried to renew the ip it responded with "An error occurred while renewing interface Wireless Network Connection : unable to contact your DHCP server. Request has timed out." [code]
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Nov 30, 2012
I have just installed the wireless equipment on my main computer, but unable to pick up the internet on my 2nd computer, how do I do it??
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Mar 31, 2013
I randomly lost Internet connection, and since have not been able to Renew an IP address! Other people in my household can connect just fine. I've tried numerous things to get my internet back, but continue to be unsuccessful in doing so.
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:Documents and SettingsMike>ipconfig /all
Windows IP Configuration
Host Name . . . . . . . . . . . . : miker
Primary Dns Suffix . . . . . . . :
[code]....
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Oct 15, 2011
I have reinstalled windows 7 on my Toshiba laptop, I have my wireless set to automatically connect, I have excellent signal strength and have another pc connected to wireless router, but my laptop does not capture IP addresses. I tried renew command but got message unabl to contact your DHCP server, request timmed out.
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Jul 3, 2011
I've been having problems connecting my laptop to the internet through wireless. When I plug it in with a cable it works fine. I also know my wireless works fine because i have other things attached to it. When I try to connect it says limited or no connectivity, but the signal strength is excellent. I have tried to repair the problem but it then tells me it cannot renew my ip address. I've also tried the ipconfig /release then renew, and thats when it says about my DHCP.
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Apr 20, 2011
I have a Gateway 818gm desktop pc and the wifi stopped working after I reformated the hard drive. I can not figure out where the wifi card is in this PC.
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Jun 18, 2011
I can connect directly to the router wirelessly without any problems. When I use my powerline adapter I get the 'unable to contact DHCP Server' error. I've tried unencrypting the router with no success. I've also released/ renewed my IP. [code]
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Sep 28, 2011
Running ACS 5.1 appliance, and am seeing slow repsonse on TACACS authentications due to the ACS trying to reach overseas AD servers and failing. Is there any way to configure a /etc/host/ file locally on the ACS in order to force the appliance to use specific AD servers for authentication? As I understand the process currently, the ACS appliance will query the top-level domain and get a list of all the AD servers in DNS. In my case, this would include the AD servers overseas that we do not want to use.
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Mar 11, 2010
We have 2mbps leased line and have Cisco 1841 which is managed by our ISP. I have hooked up another 1841 (please find basic config below, it will get more complex lateron) Now when I connect my laptop I am able to browse Internet. But when I conect VOIP phone, it is not able to contact it's Hosted Server on Internet.
VOIP phone is Polycom SoundPoint 550 and I get URL call disabed message. If I try netgear Firewall everything seems to work.that the voip provider needs following ports UDP Range 16384 - 32766, TCP 5060 & UDP 5060. But in my config all outbound traffic is allowed. [code]
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Feb 16, 2011
Started this morning woke up checked my phone no wifi hmm weird checked my hp tpuchsmart connected but jo internet access checked my router(netgear wireless N 300) made sure my modem and all wires are connectedNext went to my router ip 192.168.1.1 after reading some forrums i thought maybe if i changed the ip or sum i would have worked i know dumb though.. any way i believe i disabled my dhcp.. and one of the ip ad on the same page to 192.168.1.3 thats when it got worst i tried ipconfig/release saysNo operation can be performed on bluetooth network connection 2 while it has media disconnected.No operation can be performed on local area connection while it has its media disconnected(Its a wireless connection from my touchsmart to my router) I have tried goin back to the routers page but i can no longer find itI have also tried ipconfig/renew but i get this...No operation can be performed on bluetooth network connection 2 while it has its media disconnectdAn error occured while renewing interface wireless network connection : unable to contact your dhcp server. Request has timed out.No opration can be performed on local area connection while it has its media disconnected
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Aug 28, 2012
My modem with single network connectivity (Type I) works fine. I tried to replace with Type II modem (with wifi- and 4 or more ports) for connectivity. I could not establish connection with the server of the service provider. I tried to replace with a different type of typeII modem. Still the same. What could be the reason?I connected the same in a different workplace to a different PC.
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Jan 17, 2012
I have a rather specific and annoying problem with my router. every few days or so the internet will cut out. However, i am still able to use websites that i have been using already, so am able to check emails read articles etc, but am unable to do things like stream videos from youtube or play online games. I run network diagnostics (Windows 7) and receive the error: Your computer appears to be correctly configured, but the device or resource (samsung.msn.com) is not responding. I have already updated all my drivers and have completely reinstalled my router and checked all cables etc. This appears to be only to do with computers that are connected wirelessly, as the pc connected via ethernet seems to be unaffected,
I have both a netbook and a gaming pc connected wirelessly.
Netbook:
OS Version: Microsoft Windows 7 Starter, Service Pack 1, 32 bit
Processor: Intel(R) Atom(TM) CPU N550 @ 1.50GHz, x64 Family 6 Model 28 Stepping 10
[Code].....
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Aug 1, 2011
I am running a Dell Inspiron 530 with Windows XP SP 3. My computer is displaying cannot aquire network address, can't contact dhcp. I have already had the modem and ethernet cables tested, they're fine, and I have tried replacing the network card, no luck. I have also run ip config renew and replace as well as ipconfig/all everything was zero. I checked the startup menu and all the appropriate network apps are marked started and automatic.
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Oct 6, 2011
If I loose bookmarks on my Browser, can I contact my ISP for a log to my internet history?
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Mar 5, 2011
I have tried to contact this site about purchases and I can not get them to return any emails. They have a contact us link on the page
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May 23, 2012
how do i telephone / email at & t or verizon to purchase wi-fi service ? i'll go back to their website (s) mess if i can't find a phone # or email address;telephone number ? do you know any for verizon or at&t or email address?
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Jul 9, 2012
Cannot delete old groups in my contact list
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Mar 20, 2012
in my network i got a switch with 4 vlan's configured
-vlan 10
-vlan 20
-vlan 30
-vlan 40
in vlan 40 i have my domain controller for my existing domain.i have read that seperate vlan's can't have contact without a lollipop router ( router on a stick, inter vlan routing)i want that users in vlan 10, vlan 20 and vlan 30 can have access to my domain controller in vlan 40
but they can't have access to each other.
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Apr 14, 2013
All I want to do is to share a couple of Folders, My Documents and Downloads, between two PC's on a Workgroup network.Networking is not my strongest point but up until now I have managed quite successfully.The setup is :-
1st PC is Mike-Laptoppc is on a Wireless connection to an ADSL+2 router/modem.
2nd PC is a Desktop Alexs-PC connected via cable to the same router/modem
I can share all the shared folders from the Desktop to the Laptop, but I can only share Media streaming on the Desktop from the Laptop, so I know there is a connection between the two computers. I have now turned off Media streaming to concentrate on just folder sharing.Whenever I try to access the Laptop from the Desktop I get an " Access Denied you do not have permission contact your administrator " box on the desktop.
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Mar 26, 2011
successfully installed Windows 7 x64 on my computer this week, but the computer sometimes loses contact with my WD 1TB Book live NAS(When trying to copy Big FILE). When this happens, I restart the computer, and the drive usually reappears. I just bought this hard drive two days agoInstead of simply failing to recognize it, I sometimes get "not responding" errors when trying to open files.My hard drive (Western Digital My Book Live WDBACG0010HCH 1TBI contacted Western Digital support, Still no reply from them. still waitingi find some hardware forum to check this out .. also not solution yeti change my router,off firewall, also the same problem.
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Dec 30, 2011
I have a home network of 2 desktop PCs. One runs Windows 7 64bit, the other WinXP with SP3. Both have all current updates applied.Both are wirelessly connected via a Cisco-Linksys WAG160N wireless router with Firmware Version:V1.00.16.When the two machines are in contact, file and printer sharing works fine and they appear on the Win7 network map.However, they regularly lose contact with each other BUT they both remain able to access the Internet via the WAG160N and appear in its ARP/RARP table.
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Feb 4, 2012
Did setup iaw instructions. got to step 9 where it went into configure mode. last few messages
192.168.1.5 to 192.168.1.1 (BUILT IN BOUND TO TO IDENTIFY), then
192.168.1.5 START SSL HANDSHAKE FOR TLSW1 SESSIN, THEN
192.168.1.5 COMPLETED HANDSHAKE, THEN
[Code].....
now i am unable to do anything with the 5505. can not log in , can not get a ping of 192.168.1.1, can not get into the unit and do a factory reset
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Jan 14, 2011
[url]...
One poster gives the password which is arbitrarily substituted but when I tried that (having had the same problem), I couldn't get it to work and had to reinstate factory settings and repeat the configuration from scratch.Now, for some reason, I can't even do that anymore! 'admin/admin' is no longer accepted, and if instead I try to open the configuration using the Setup Wizard CD I get an error message saying "Unable to connect..." and telling me to press the 'reset' button (which I have of course done, to no avail). Yet pinging the router produces an immediate successful response and my access to the internet is as before.
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Feb 5, 2013
I have an issue with the device in subject. I need that some server, listed as service on CSS, can contact a content VIP on the same subnet. To allow that traffic I configured grouping on CSS (group 1) with vip address and an ACL that allow traffic from subnet 10.1.1.0/24 toward same subnet 10.1.1.0/24 and I have bound this ACL with sourcegroup 1. The nat and portmap works but never at first attempt, instead since second attempts it works. Seem like a CSS require to much time to create nat entry.
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Nov 18, 2011
My internet service is telling me all of a sudden that my computer has no IP address for my laptop to connect to the modem?? The laptop was given to me so I have none of the disks or anything. How do I get an IP address to be able to use my internet provider?
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Dec 17, 2012
What's the best free dynamic DNS provider?
I found a ton of them on the internet but I'm not sure which ones are safe.I'm trying to use my home NAS as an ftp server that can be accessed remotely.
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Feb 22, 2011
how do set up a network provider so i can send and receive E-MAIL i use XP
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Nov 16, 2012
who to connect two dsl connection with two different provider
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